Contains 方法
Returns a Boolean that indicates whether the items in the collection can be accessed using indexing without throwing an exception.
命名空間： Microsoft.SqlServer.Dts.Runtime
組件： Microsoft.SqlServer.ManagedDTS (在 Microsoft.SqlServer.ManagedDTS.dll 中)
語法
'宣告
Public Function Contains ( _
index As Object _
) As Boolean
'用途
Dim instance As ForEachVariableMappings
Dim index As Object
Dim returnValue As Boolean
returnValue = instance.Contains(index)
public bool Contains(
Object index
)
public:
bool Contains(
Object^ index
)
member Contains :
index:Object -> bool
public function Contains(
index : Object
) : boolean
參數
- index
型別：System. . :: . .Object
The name, identity, ID, or index of the T:Microsoft.SqlServer.Dts.Runtime.ForEachVariableMapping object to locate in the collection.
傳回值
型別：System. . :: . .Boolean
A Boolean that indicates whether the collection can be accessed by name, identity, ID, or index. A value of true indicates that the collection can be accessed by using the syntax ForEachVariableMappings[index]. A value of false indicates that indexing cannot be used to retrieve items from the ForEachVariableMappings collection; using this property throws an exception.